The habitats of "birds of paradise" in New Guinea are on mountains separated by
a. areas of unsuitable land.
b. fierce predators.
c. man-made borders.
d. the ocean.
e. rivers and lakes.
A
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The tough, pliable body of a lichen is called a(n)
a. soredium. b. arbuscule. c. thallus. d. sporangium. e. haustorium.
Since all action potentials are essentially the same, how can one differentiate visual and auditory
stimuli? a. The amplitude of each action potential is characteristic of the specific neuron transmitting it to the brain. b. The length of time each stimulus takes to travel to the brain for interpretation varies. c. Receptor potentials are graded. d. Each type of sensory receptor transmits its stimulus to a specific area of the brain for interpretation. e. The frequency of action potentials is characteristic of the specific neuron.
The microbes commonly known as ________ are single-celled eukaryotes that are generally motile.
A. archaea B. bacteria C. fungi D. protozoa E. viruses
Which of the following is/are not true about viral envelopes?
A. They are typical lipid monolayers with embedded viral proteins. B. The envelope proteins are virus specific. C. The envelope lipids and carbohydrates are derived from the host. D. The envelope proteins are virus specific and the envelope lipids and carbohydrates are derived from the host.